Like some horror movie that just won’t end, Jimmy Carter’s love affair with North Korea keeps rolling along. Now on his third pilgrimage to the Kim dynasty’s totalitarian state, Carter arrived Tuesday in Pyongyang, with a trio of fellow ex-leaders in tow, from Finland, Ireland and Norway.

From Pyongyang, he’s now blogging away, under the down-home caption, “Jimmy Carter’s blog from North Korea.” At least, I assume it’s really Jimmy Carter writing this cant, though it reads like copy fresh out of Pyongyang’s own propaganda mill. There’s an attempt at cracker-barrel diplomacy, in which Carter enthuses about the “warm and...